(19)

(11)

EP 3 993 805 A1

(12)

(43) Date of publication: 11.05.2022 Bulletin 2022/19 (21) Application number: 20737381.2 (22) Date of filing: 29.06.2020

(51) International Patent Classification (IPC):  A61K 31/5415(2006.01) A61P 25/28(2006.01) A61K 45/06(2006.01) (52) Cooperative Patent Classification (CPC): A61K 31/5415; A61K 45/06; A61P 25/28; A61K 31/27   C-Sets: A61K 31/5415, A61K 2300/00; A61K 31/27, A61K 2300/00; (86) International application number: PCT/EP2020/068306 (87) International publication number: WO 2021/001326 (07.01.2021 Gazette 2021/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 02.07.2019 GB 201909506 (71) Applicant: WisTa Laboratories Ltd. Singapore 658066 (SG)	(72) Inventors: RIEDEL, Gernot Aberdeen Aberdeenshire AB25 2ZD (GB) WISCHIK, Claude Michel Aberdeen Aberdeenshire AB24 5RP (GB) HARRINGTON, Charles Robert Aberdeen Aberdeenshire AB25 2ZD (GB) (74) Representative: Mewburn Ellis LLP  Aurora Building Counterslip Bristol BS1 6BX Bristol BS1 6BX (GB)